#define _CRT_SECURE_NO_WARNINGS 1 // use for depreate the warning error of scanf
#include <stdio.h>
int main70(void)
{
    double xx=0 ;
    int ii=0, kk=0;
    FILE *inptr;

    inptr = fopen ("C3_4.IN","r");
    fscanf (inptr,"%d",&ii);
    fscanf (inptr,"%d %lf",&kk,&xx);
    fclose (inptr);
    printf ("ii=%5d\nkk=%5d\nxx=%9.3lf\n",ii, kk, xx);
}